quadrangular

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The dynamical analysis of quadrangular pyramid grid structure modality and seismic response is made by ANSYS.
利用ANSYS作出了某四角锥网架的模态及地震响应的动力分析。
The tongue-and-groove articulation between the quadrangular cartilage and the maxillary and palatine crest deserves special mention.
特别值得一提的是四边形的软骨和上颌骨及腭嵴之间的榫槽衔接。
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The rhombus and quadrangular dislocation etching pits, the low angle boundaries and inclusions in the samples were observed using optical microscope and scanning electron microscope after etching.
经过腐蚀后，利用大视场显微镜和扫描电镜在样品表面上观察到了菱形和四边形的位错蚀坑、小角晶界和包裹物等缺陷；